0

Your Cart is Empty

  • Add description, images, menus and links to your mega menu

  • A column with no settings can be used as a spacer

  • Link to your collections, sales and even external links

  • Add up to five columns

  • Linear TRANS PROX & MegaCode Transmitter Family — Product Guide

    September 08, 2026 3 min read

    Product family guide for Linear TRANS PROX and MegaCode wireless transmitters and 125 kHz proximity tags for door, gate, and garage access systems.

    Full text manual (for reference)

    Product family guide for Linear TRANS PROX and MegaCode transmitters — integrated wireless transmitters and 125 kHz proximity tags for door and gate access systems, garage door operators, and telephone entry systems.

    Overview

    TRANS PROX combines a wireless transmitter with a 125 kHz proximity tag in one key-fob device — ideal for door and gate access systems and garage door operators. All models are block-coded to one of 15 facility codes, quick and easy to enroll, supplied with a quick-disconnect key ring, use long-lasting lithium batteries, and are ruggedly built for everyday use. Available in single-channel and 4-channel packages.

    TRANS PROX Product Lines

    TRANS PROX (HID-Compatible, Factory Block-Coded)

    • Works with AM-DPR and most 125 kHz HID proximity formats and card readers; compatible with MegaCode receivers
    • Same facility and ID codes for transmitter and proximity tag; 26-bit Wiegand format
    • Ideal for multi-tenant, residential, and commercial building applications; add radio capability to any Wiegand-input access controller (use WOR)
    • Model ACT-31DH (Part ACP00957) — single-button, sold in lots of 10
    • Model ACT-34DH (Part ACP00958) — four-button, sold in lots of 10

    TRANS PROX 31DHC/34DHC (HID-Compatible, Custom Block-Coded)

    • Same feature set as above but with custom facility and ID codes, built to customer requirement
    • Model ACT-31DHC (Part ACP00959) — single-button, custom coded
    • Model ACT-34DHC (Part ACP00960) — four-button, custom coded

    Linear Formatted TRANS PROX (Factory Block-Coded)

    • Compatible with all Linear MegaCode receivers, controllers, and the AM-DPR Reader; same facility/ID codes for transmitter and tag; 26-bit Wiegand format
    • Model ACT-31D (Part ACP00954) — single-button, sold in lots of 10
    • Model ACT-34D (Part ACP00955) — four-button, sold in lots of 10

    MegaCode Transmitter Family

    Ideal for door and gate access systems and garage door operators. Compatible with all Linear MegaCode receivers and controllers; block-coded to one of 15 facility codes; quick and easy to enroll; available in single-channel and 4-channel packages.

    Factory Block-Coded Transmitters

    • Factory block-coded facility and ID codes; suitable for everyday installations; ideal for single-family, multi-tenant, and commercial applications
    • Model ACT-31B (Part ACP00872) — single-button
    • Model ACT-34B (Part ACP00879) — four-button

    Custom Block-Coded Transmitters

    • User-selected facility and ID codes; suitable for expanding existing installations
    • Model ACT-31C (Part ACP00939) — single-button
    • Model ACT-34C (Part ACP00940) — four-button

    General Specifications (Transmitters & TRANS PROX)

    Dimensions 1.25" W x 2.25" H x 0.5" D (38.1 x 57.15 x 12.7 mm)
    Power Two 3V 2016-style batteries
    Transmitter Frequency 318 MHz
    Transmitter Format MegaCode
    Number of Transmitter Codes 1,000,000+ ID codes (15 facility codes)
    Proximity Format 125 kHz non-proprietary proximity, 26-bit Wiegand (TRANS PROX only)
    Accessories Quick-disconnect key ring

    Model / Part Number Reference

    Model Number Part Number Description Ordering
    ACT-31DH ACP00957 TRANS PROX single-button, factory block coded Lots of 10
    ACT-34DH ACP00958 TRANS PROX four-button, factory block coded Lots of 10
    ACT-31DHC ACP00959 TRANS PROX single-button, custom block coded Built to order
    ACT-34DHC ACP00960 HID-compatible TRANS PROX four-button, custom block coded Built to order
    ACT-31D ACP00954 TRANS PROX single-button, Linear format, factory coded Lots of 10
    ACT-34D ACP00955 TRANS PROX four-button, Linear format, factory coded Lots of 10
    ACT-31B ACP00879 Transmitter single-button, factory block coded Lots of 10
    ACT-34B ACP00872 Transmitter four-button, factory block coded Lots of 10
    ACT-31C ACP00939 Transmitter single-button, custom block coded Built to order
    ACT-34C ACP00940 Transmitter four-button, custom block coded Built to order

    Compatible Products

    TRANS PROX and 26-bit Wiegand compatible proximity readers work with a range of Linear (Nortek Security & Control) access control products, including:

    • Wiegand Output Receiver: WOR adds RF capability to access control panels like eMerge, Max-3, Min Max-3, or 3rd party panels.
    • Telephone Entry Systems: AE2000Plus, AE1000Plus, AE-500 (commercial); RE-2SS, RE-2N, RE-1N, RE-1SS (residential)
    • Wiegand Proximity Reader: AM-DPR (TRANS PROX only) — works with most HID and non-proprietary 125 kHz proximity credentials
    • Garage Door Operators: LSO50, LDO50, LDO33, LCO75, LDCO800
    • Access Controllers: AM3Plus (with AM-RRR), AP-5, AKR-1
    • APeX Controller-Equipped Gate Operators: HSLG, SWD/SWC/SWR/SWG, SLD/SLC/SLR, SWG, BGU/BGU-D, BGUS/BGUS-D, SG/SG-D, VS-GSLG/GSWG/GSLG, GSLG-A, LRA/LRA2
    • Access Control Peripherals: AM-RRR, AM-RPR
    • Gate Receivers: MGR, MGR-2, MDR-1, MDR-2, MDRG, SMDRG, MDR/U

    Before selecting and installing 3rd-party readers, Linear recommends evaluating them for acceptable performance.